fidl_fuchsia_ui_app/
fidl_fuchsia_ui_app.rs

// WARNING: This file is machine generated by fidlgen.

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use bitflags::bitflags;
use fidl::client::QueryResponseFut;
use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use fidl::endpoints::{ControlHandle as _, Responder as _};
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[derive(Debug, PartialEq)]
pub struct ViewProviderCreateView2Request {
    pub args: CreateView2Args,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ViewProviderCreateView2Request
{
}

#[derive(Debug, PartialEq)]
pub struct ViewProviderCreateViewWithViewRefRequest {
    pub token: fidl::EventPair,
    pub view_ref_control: fidl_fuchsia_ui_views::ViewRefControl,
    pub view_ref: fidl_fuchsia_ui_views::ViewRef,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ViewProviderCreateViewWithViewRefRequest
{
}

#[derive(Debug, Default, PartialEq)]
pub struct CreateView2Args {
    /// Non-optional.  This token can be provided to Flatland to attach the client's child view
    /// to the parent's viewport.
    pub view_creation_token: Option<fidl_fuchsia_ui_views::ViewCreationToken>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect> for CreateView2Args {}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ViewProviderMarker;

impl fidl::endpoints::ProtocolMarker for ViewProviderMarker {
    type Proxy = ViewProviderProxy;
    type RequestStream = ViewProviderRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ViewProviderSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.ui.app.ViewProvider";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ViewProviderMarker {}

pub trait ViewProviderProxyInterface: Send + Sync {
    fn r#create_view_with_view_ref(
        &self,
        token: fidl::EventPair,
        view_ref_control: fidl_fuchsia_ui_views::ViewRefControl,
        view_ref: fidl_fuchsia_ui_views::ViewRef,
    ) -> Result<(), fidl::Error>;
    fn r#create_view2(&self, args: CreateView2Args) -> Result<(), fidl::Error>;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ViewProviderSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ViewProviderSynchronousProxy {
    type Proxy = ViewProviderProxy;
    type Protocol = ViewProviderMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl ViewProviderSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ViewProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<ViewProviderEvent, fidl::Error> {
        ViewProviderEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Creates a new View under the control of the ViewProvider.
    ///
    /// `token` is one half of the shared eventpair which will bind the new View
    /// to its associated ViewHolder.  The ViewProvider will use `token` to
    /// create its internal View representation.  The caller is expected to use
    /// its half to create corresponding ViewHolder object.
    ///
    /// `view_ref_control` and `view_ref` are two typed handles to each half of the
    /// same event pair. The `view_ref` can be cloned before passing it to this method,
    /// which will allow clients to track the view (e.g., in a focus chain update).
    ///
    /// `view_ref_control` must not have the ZX_RIGHT_DUPLICATE set, or view creation
    /// will fail.
    pub fn r#create_view_with_view_ref(
        &self,
        mut token: fidl::EventPair,
        mut view_ref_control: fidl_fuchsia_ui_views::ViewRefControl,
        mut view_ref: fidl_fuchsia_ui_views::ViewRef,
    ) -> Result<(), fidl::Error> {
        self.client.send::<ViewProviderCreateViewWithViewRefRequest>(
            (token, &mut view_ref_control, &mut view_ref),
            0x586d23a5e4f69a86,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    /// Creates a new View under the control of the ViewProvider.
    ///
    /// The args are provided as a table, for forward compatibility.  See documentation on the
    /// individual table fields.
    pub fn r#create_view2(&self, mut args: CreateView2Args) -> Result<(), fidl::Error> {
        self.client.send::<ViewProviderCreateView2Request>(
            (&mut args,),
            0x78b4a51b5e630482,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[derive(Debug, Clone)]
pub struct ViewProviderProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for ViewProviderProxy {
    type Protocol = ViewProviderMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl ViewProviderProxy {
    /// Create a new Proxy for fuchsia.ui.app/ViewProvider.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ViewProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ViewProviderEventStream {
        ViewProviderEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Creates a new View under the control of the ViewProvider.
    ///
    /// `token` is one half of the shared eventpair which will bind the new View
    /// to its associated ViewHolder.  The ViewProvider will use `token` to
    /// create its internal View representation.  The caller is expected to use
    /// its half to create corresponding ViewHolder object.
    ///
    /// `view_ref_control` and `view_ref` are two typed handles to each half of the
    /// same event pair. The `view_ref` can be cloned before passing it to this method,
    /// which will allow clients to track the view (e.g., in a focus chain update).
    ///
    /// `view_ref_control` must not have the ZX_RIGHT_DUPLICATE set, or view creation
    /// will fail.
    pub fn r#create_view_with_view_ref(
        &self,
        mut token: fidl::EventPair,
        mut view_ref_control: fidl_fuchsia_ui_views::ViewRefControl,
        mut view_ref: fidl_fuchsia_ui_views::ViewRef,
    ) -> Result<(), fidl::Error> {
        ViewProviderProxyInterface::r#create_view_with_view_ref(
            self,
            token,
            view_ref_control,
            view_ref,
        )
    }

    /// Creates a new View under the control of the ViewProvider.
    ///
    /// The args are provided as a table, for forward compatibility.  See documentation on the
    /// individual table fields.
    pub fn r#create_view2(&self, mut args: CreateView2Args) -> Result<(), fidl::Error> {
        ViewProviderProxyInterface::r#create_view2(self, args)
    }
}

impl ViewProviderProxyInterface for ViewProviderProxy {
    fn r#create_view_with_view_ref(
        &self,
        mut token: fidl::EventPair,
        mut view_ref_control: fidl_fuchsia_ui_views::ViewRefControl,
        mut view_ref: fidl_fuchsia_ui_views::ViewRef,
    ) -> Result<(), fidl::Error> {
        self.client.send::<ViewProviderCreateViewWithViewRefRequest>(
            (token, &mut view_ref_control, &mut view_ref),
            0x586d23a5e4f69a86,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    fn r#create_view2(&self, mut args: CreateView2Args) -> Result<(), fidl::Error> {
        self.client.send::<ViewProviderCreateView2Request>(
            (&mut args,),
            0x78b4a51b5e630482,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

pub struct ViewProviderEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for ViewProviderEventStream {}

impl futures::stream::FusedStream for ViewProviderEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for ViewProviderEventStream {
    type Item = Result<ViewProviderEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(ViewProviderEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum ViewProviderEvent {}

impl ViewProviderEvent {
    /// Decodes a message buffer as a [`ViewProviderEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ViewProviderEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <ViewProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.ui.app/ViewProvider.
pub struct ViewProviderRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for ViewProviderRequestStream {}

impl futures::stream::FusedStream for ViewProviderRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for ViewProviderRequestStream {
    type Protocol = ViewProviderMarker;
    type ControlHandle = ViewProviderControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        ViewProviderControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for ViewProviderRequestStream {
    type Item = Result<ViewProviderRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ViewProviderRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x586d23a5e4f69a86 => {
                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                        let mut req = fidl::new_empty!(
                            ViewProviderCreateViewWithViewRefRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ViewProviderCreateViewWithViewRefRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            ViewProviderControlHandle { inner: this.inner.clone() };
                        Ok(ViewProviderRequest::CreateViewWithViewRef {
                            token: req.token,
                            view_ref_control: req.view_ref_control,
                            view_ref: req.view_ref,

                            control_handle,
                        })
                    }
                    0x78b4a51b5e630482 => {
                        header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                        let mut req = fidl::new_empty!(
                            ViewProviderCreateView2Request,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ViewProviderCreateView2Request>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            ViewProviderControlHandle { inner: this.inner.clone() };
                        Ok(ViewProviderRequest::CreateView2 { args: req.args, control_handle })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ViewProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// ViewProvider is the standard mechanism for two modules to each obtain half
/// of a shared eventpair token.  The shared token is a capability allowing the
/// modules to ask Scenic to create a ViewHolder/View pair.  The resulting
/// View and ViewHolder are linked together until either one is destroyed.
///
/// Modules are free to use any other mechanism to agree upon the shared
/// eventpair token, and use this to create the linked ViewHolder/View.
/// ViewProvider is given for the convenience of clients that don't require
/// a more complex implementation.
#[derive(Debug)]
pub enum ViewProviderRequest {
    /// Creates a new View under the control of the ViewProvider.
    ///
    /// `token` is one half of the shared eventpair which will bind the new View
    /// to its associated ViewHolder.  The ViewProvider will use `token` to
    /// create its internal View representation.  The caller is expected to use
    /// its half to create corresponding ViewHolder object.
    ///
    /// `view_ref_control` and `view_ref` are two typed handles to each half of the
    /// same event pair. The `view_ref` can be cloned before passing it to this method,
    /// which will allow clients to track the view (e.g., in a focus chain update).
    ///
    /// `view_ref_control` must not have the ZX_RIGHT_DUPLICATE set, or view creation
    /// will fail.
    CreateViewWithViewRef {
        token: fidl::EventPair,
        view_ref_control: fidl_fuchsia_ui_views::ViewRefControl,
        view_ref: fidl_fuchsia_ui_views::ViewRef,
        control_handle: ViewProviderControlHandle,
    },
    /// Creates a new View under the control of the ViewProvider.
    ///
    /// The args are provided as a table, for forward compatibility.  See documentation on the
    /// individual table fields.
    CreateView2 { args: CreateView2Args, control_handle: ViewProviderControlHandle },
}

impl ViewProviderRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_create_view_with_view_ref(
        self,
    ) -> Option<(
        fidl::EventPair,
        fidl_fuchsia_ui_views::ViewRefControl,
        fidl_fuchsia_ui_views::ViewRef,
        ViewProviderControlHandle,
    )> {
        if let ViewProviderRequest::CreateViewWithViewRef {
            token,
            view_ref_control,
            view_ref,
            control_handle,
        } = self
        {
            Some((token, view_ref_control, view_ref, control_handle))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_create_view2(self) -> Option<(CreateView2Args, ViewProviderControlHandle)> {
        if let ViewProviderRequest::CreateView2 { args, control_handle } = self {
            Some((args, control_handle))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ViewProviderRequest::CreateViewWithViewRef { .. } => "create_view_with_view_ref",
            ViewProviderRequest::CreateView2 { .. } => "create_view2",
        }
    }
}

#[derive(Debug, Clone)]
pub struct ViewProviderControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for ViewProviderControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl ViewProviderControlHandle {}

mod internal {
    use super::*;

    impl fidl::encoding::ResourceTypeMarker for ViewProviderCreateView2Request {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ViewProviderCreateView2Request {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ViewProviderCreateView2Request,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ViewProviderCreateView2Request
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ViewProviderCreateView2Request>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                ViewProviderCreateView2Request,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (<CreateView2Args as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                    &mut self.args,
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<CreateView2Args, fidl::encoding::DefaultFuchsiaResourceDialect>,
        >
        fidl::encoding::Encode<
            ViewProviderCreateView2Request,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ViewProviderCreateView2Request>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ViewProviderCreateView2Request
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                args: fidl::new_empty!(
                    CreateView2Args,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                CreateView2Args,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.args,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ViewProviderCreateViewWithViewRefRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ViewProviderCreateViewWithViewRefRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            12
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ViewProviderCreateViewWithViewRefRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ViewProviderCreateViewWithViewRefRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ViewProviderCreateViewWithViewRefRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ViewProviderCreateViewWithViewRefRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl::encoding::HandleType<fidl::EventPair, { fidl::ObjectType::EVENTPAIR.into_raw() }, 2147483648> as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.token),
                    <fidl_fuchsia_ui_views::ViewRefControl as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.view_ref_control),
                    <fidl_fuchsia_ui_views::ViewRef as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.view_ref),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                fidl::encoding::HandleType<
                    fidl::EventPair,
                    { fidl::ObjectType::EVENTPAIR.into_raw() },
                    2147483648,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            T1: fidl::encoding::Encode<
                fidl_fuchsia_ui_views::ViewRefControl,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            T2: fidl::encoding::Encode<
                fidl_fuchsia_ui_views::ViewRef,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            ViewProviderCreateViewWithViewRefRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ViewProviderCreateViewWithViewRefRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 4, depth)?;
            self.2.encode(encoder, offset + 8, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ViewProviderCreateViewWithViewRefRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                token: fidl::new_empty!(fidl::encoding::HandleType<fidl::EventPair, { fidl::ObjectType::EVENTPAIR.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect),
                view_ref_control: fidl::new_empty!(
                    fidl_fuchsia_ui_views::ViewRefControl,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                view_ref: fidl::new_empty!(
                    fidl_fuchsia_ui_views::ViewRef,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(fidl::encoding::HandleType<fidl::EventPair, { fidl::ObjectType::EVENTPAIR.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect, &mut self.token, decoder, offset + 0, _depth)?;
            fidl::decode!(
                fidl_fuchsia_ui_views::ViewRefControl,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.view_ref_control,
                decoder,
                offset + 4,
                _depth
            )?;
            fidl::decode!(
                fidl_fuchsia_ui_views::ViewRef,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.view_ref,
                decoder,
                offset + 8,
                _depth
            )?;
            Ok(())
        }
    }

    impl CreateView2Args {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.view_creation_token {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for CreateView2Args {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for CreateView2Args {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<CreateView2Args, fidl::encoding::DefaultFuchsiaResourceDialect>
        for &mut CreateView2Args
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CreateView2Args>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_ui_views::ViewCreationToken, fidl::encoding::DefaultFuchsiaResourceDialect>(
            self.view_creation_token.as_mut().map(<fidl_fuchsia_ui_views::ViewCreationToken as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for CreateView2Args
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl_fuchsia_ui_views::ViewCreationToken as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.view_creation_token.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl_fuchsia_ui_views::ViewCreationToken,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    fidl_fuchsia_ui_views::ViewCreationToken,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }
}
fidl_fuchsia_ui_app/fidl_fuchsia_ui_app.rs

fidl_fuchsia_ui_app/
fidl_fuchsia_ui_app.rs
